Home / 318,164.75-439,056.13-174,923.69

Finding the Fourth Proportional to 318,164.75, 439,056.13 and 174,923.69

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Solution

The fourth proportional to 318,164.75, 439,056.13 and 174,923.69 is: 241,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,164.75 : 439,056.13 = 174,923.69 : x
  2. Step 2: Convert to fraction form
    318,164.75/439,056.13 = 174,923.69/x
  3. Step 3: Cross multiply
    318,164.75x = 439,056.13 × 174,923.69
  4. Step 4: Simplify right side
    318,164.75x = 76,801,318,376.72
  5. Step 5: Solve for x
    x = 76,801,318,376.72/318,164.75
  6. Step 6: Final answer
    x = 241,388.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.